| Sl. No. | Name of Reservoir | District | FRL (metre) | Rule level (metre) | Water level on date (metre) | Blue Alert level (metre) | Orange Alert level (metre) | Red Alert Level (metre) | Live Storage (MCM) | % Storage | Inflow (MCM) | Average Inflow (Cumecs) | Power House Discharge (MCM) | Spill (MCM) | Current Spillway release (Cumecs) | Total Outflow (MCM) | Rain fall (mm) | Remarks |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17=14+15 | 18 | 19 |
| 1 | IDUKKI | IDK | 2403.00 ft | 2373.00 | 2343.24 ft | 2365.00 | 2371.00 | 2372.00 | 586.28 | 40.17 | 18.54 | 214.56 | 10.55 | – | – | 10.55 | 50.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 161.00 | 142.00 | 159.50 | 160.00 | 160.50 | 347.90 | 34.18 | 11.53 | 133.46 | 5.73 | – | – | 5.73 | 78.40 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 962.33 | 973.36 | 974.36 | 974.86 | 202.41 | 45.33 | 7.68 | 88.91 | 4.53 | – | – | 4.53 | 83.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 767.00 | 764.40 | 765.50 | 766.00 | 766.50 | 79.35 | 39.48 | 3.20 | 37.04 | – | – | 0.00 | 55.40 | ||
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2612.40 ft | 2658.00 | 2660.00 | 2661.00 | 45.81 | 30.73 | 2.01 | 23.27 | 0.91 | – | – | 0.91 | 80.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1592.50 | 1596.00 | 1597.00 | 1598.00 | 36.34 | 66.35 | 0.40 | 4.63 | 0.00 | – | – | 0.00 | 37.00 | ||
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1199.16 | 1205.02 | 1206.02 | 1207.02 | 20.24 | 40.61 | 0.35 | 4.05 | – | – | 0.00 | 20.00 | |||
| 8 | PONMUDI | IDK | 707.75 | 704.55 | 704.50 | 705.50 | 706.50 | 39.38 | 83.07 | 2.22 | 25.65 | 1.75 | – | – | 1.75 | 37.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 752.46 | 755.50 | 756.50 | 757.50 | 20.71 | 60.94 | 2.00 | 23.11 | 1.57 | – | – | 1.57 | 104.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 967.45 | 982.00 | 983.50 | 984.50 | 3.63 | 11.65 | 3.51 | 40.6 | – | – | 0.00 | 84.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 419.00 | 421.00 | 422.00 | 423.00 | 17.25 | 56.93 | 9.80 | 113.44 | 4.55 | – | – | 4.55 | 107.20 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1741.00 | 1755.00 | 1756.00 | 1757.00 | 0.09 | 1.18 | 0.18 | 2.13 | – | – | 0.00 | 11.60 | Sluice – 0.1840McM | ||
| 13 | KALLARKUTTY | IDK | 456.59 | 456.20 | 455.00 | 6.22 | 96.72 | 8.66 | 100.26 | 3.86 | 4.81 | 60.00 | 8.66 | 16.00 | Gate No 2- 30 cm, Gate No 3-30 cm | |||
| 14 | ERATTAYAR | IDK | 754.38 | 748.00 | 748.28 | 1.32 | 25.02 | 0 | – | 0.00 | ||||||||
| 15 | LOWER PERIYAR | IDK | 253 | 253.00 | 252.00 | 4.55 | 100.00 | 14.77 | 170.99 | 6.23 | 8.54 | 97.80 | 14.77 | 41.00 | Upper Vent No 2- 40cm, Upper Vent No 3-40cm | |||
| 16 | MOOZHIYAR | PTTA | 192.63 | 191.60 | 190.00 | 1.02 | 88.02 | 4.06 | 46.96 | 2.97 | 0.79 | 10.75 | 3.77 | 38.00 | Gate No. 2-10 cm | |||
| 17 | KALLAR | IDK | 824.48 | 820.50 | 823.50 | 0.20 | 26.61 | 0 | – | – | 0.00 | |||||||
| 18 | SENGULAM | IDK | 847.64 | 847.10 | 0.26 | 66.67 | 1.26 | 14.53 | 1.17 | – | – | 1.17 | 12.20 |
